Our data show that the N/L ratio to be a simple, inexpensive and easily assessable marker of systemic inflammation in patients with psoriasis.

Behcet disease (BD) and recurrent aphthous stomatitis (RAS) are systemic inflammatory diseases, but the exact pathogenesis of both the diseases is unknown. Mean platelet volume (MPV) is an indicator of platelet activation. The aim of this study was to investigate the MPV levels in patients with BD, RAS, and healthy participants. A total of 61 patients with BD, 60 patients with RAS, and 60 healthy controls were included in this study. The MPV levels and erythrocyte sedimentation rate in patients with BD and RAS groups were significantly higher than the control groups (P < .001). In the BD group as well as in the RAS group, the disease activity does not affect the levels of MPV. The MPV levels may be used as a cheap and feasible diagnostic marker in patients with BD and RAS. Nevertheless, the MPV does not have a predictive value in differentiating the diagnosis of BD and RAS.

Intralesional vitamin D(3) may be an effective treatment option for warts.

Broken and dystrophic hairs, corkscrew hairs, comma hairs and black dots were observed only in patients with TC; yellow dots, exclamation mark hairs and vellus hairs were observed only in patients with alopesi areata. Further studies with larger numbers of patients are needed to determine specific trichoscopic findings of TC and to access differential diagnosis.

Psoriasis is associated with an increased risk of atherosclerosis. Endothelial dysfunction is the critical early step in the process of atherogenesis, and it is commonly investigated by measuring arterial stiffness. We aimed to investigate the relationship between arterial stiffness and high-sensitivity C-reactive protein (hsCRP) in patients with psoriasis. A total of 32 patients with psoriasis and 35 patients with other skin diseases were included in the study. The hsCRP levels and arterial stiffness measurements were compared. Arterial stiffness was significantly different between the 2 groups (P = .01). Arterial stiffness was not associated with the duration of the disease or the disease activity (P = .34 and .64, respectively). In patients with psoriasis, arterial stiffness correlated positively with age, sex, body mass index, diastolic blood pressure, and hsCRP level (P < .05). These findings provide further evidence of a link between inflammation, premature atherosclerosis, and psoriasis.

This study suggests that insulin resistance may not play a major role in the pathogenesis of post-adolescent acne. Hormonal changes, genetic susceptibility, stress, the use of cosmetics, drugs, and environmental factors should be considered in the development of post-adolescent acne.

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